• Senior Software Engineer (SWE-4)

    Leidos (Fort Meade, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Senior Software Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...using Pandas & PySpark, developing software in Red Hat Linux (versions 3 - 5+) + Experience with Jupyter… more
    Leidos (11/27/25)
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  • Network Engineer

    ManTech (Linthicum Heights, MD)
    **MANTECH** seeks a skilled and security -focused **Network Engineer ** to support the Cryptographic Solutions Program within the National Security Systems ... and components + Experience with Nessus, and system administration across Linux /Windows environments + Understanding of network security principles including… more
    ManTech (11/26/25)
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  • Senior Principal Software Engineer

    Oracle (Annapolis, MD)
    …software engineering: high-scale distributed systems, virtualized infrastructure, identity, security , observability, and user experience. This is a greenfield ... fast, still at an early stage, and working on ambitious new initiatives. An engineer at any level can have a significant technical and business impact here. You… more
    Oracle (11/26/25)
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  • Staff Infrastructure Engineer

    TISTA Science and Technology (Rockville, MD)
    Overview TISTA is seeking a skilled Staff Infrastructure Engineer professional to design, build, manage, and maintain the IT infrastructure that supports our ... into DevOps workflows. + Troubleshoot and optimize infrastructure for reliability, security , and performance. + Apply security best practices including… more
    TISTA Science and Technology (11/19/25)
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  • Integration Engineer SPM (SME)

    Leidos (Bethesda, MD)
    …and exciting opportunity for an **Integration Scrum Team PM** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our talented team ... is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...role requires an experienced Development Team Lead and Systems Engineer to perform as a Scrum Team Project Manager… more
    Leidos (11/07/25)
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  • DevOps Engineer

    Lockheed Martin (Hanover, MD)
    …use of advanced electronics to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the ... support including analysis, design, development, integration, testing, procurement, deployment, security , training and sustainment for collection and antenna systems\.… more
    Lockheed Martin (11/05/25)
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  • Principal Software Engineer (Onsite)

    RTX Corporation (Fulton, MD)
    …Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are ... eligible for a security clearance ** Security Clearance:** DoD Clearance: Secret...Collins Aerospace/RTX and is currently seeking a **Principal Software Engineer ** who is enthusiastic, hardworking, and proactive in writing… more
    RTX Corporation (10/24/25)
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  • System Engineer (TS/SCI)- Senior or Mid…

    Vexterra Group (Bethesda, MD)
    Job Description: Vexterra is looking to fill a Windows Systems Engineer and Administrator position within the Analysis Solutions Division (ASD) to support the ... documentation for 24/7/365 Operations Watch personnel. + Responsible for the security and management of Windows servers in multiple production environments +… more
    Vexterra Group (10/14/25)
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  • Principal Cyber Software Engineer

    Northrop Grumman (Fort Meade, MD)
    …Possible is our commitment to missions. In rapidly changing global security environments, Northrop Grumman brings informed insights and software-secure technology to ... Sensing & Secure Solutions Operating Unit is actively seeking a talented SW Engineer to join a Northrop Grumman primed program. This position's work location is… more
    Northrop Grumman (12/16/25)
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  • Senior Principal Network Reliability…

    Oracle (Annapolis, MD)
    …scale. Customers always want higher availability, more bandwidth, greater network security , less network latency, less network jitter, and lower overall cost. ... Bachelor's in CS or related engineering field (or equivalent) with 5+ years Network Engineer experience or Masters with 5+ years Network Engineer experience .… more
    Oracle (12/11/25)
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